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All available documentation is provided below for your reference

If the part you need is not in stock, please go to the product page and click "Email me when available" to get a notification when it's back in stock. This helps us determine what to order with the factory!

If you have a digital copy of a YS manual, please send it to us and help build the best collection of YS information on the web. Thank you!

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Head Components

109 products

Showing 1 - 36 of 109 products

Showing 1 - 36 of 109 products
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#F1205 120FS HEAD SHIMYS Engines and Parts
YS Engines #F1205 120FS HEAD SHIM
$3.85
Only 1 unit left
#S9103 91SR HEAD GASKETYS Engines and Parts
YS Engines #S9103 91SR HEAD GASKET
$3.85
Sold out
#F4088 160DZ CHECK VALVEYS Engines and Parts
YS Engines #F4088 160DZ CHECK VALVE
$32.95
Sold out
YS Engines and Parts
YS Engines #F1505 140FZ HEAD SHIM
$3.85
Sold out
YS Engines and Parts
YS Engines #F9131 91AC ROCKER ARM SET
$38.45
Sold out
#F1213 120FS TAPPET ADJUSTING SCREWYS Engines and Parts
YS Engines #F1213 120FS TAPPET ADJUSTING SCREW
$7.70
Only 1 unit left
#F1410 120SC SPRING RETAINER SETYS Engines and Parts
YS Engines #F1410 120SC SPRING RETAINER SET
$10.95
Only 4 units left
#F1906 120NC CYLINDER HEADYS Engines and Parts
YS Engines #F1906 120NC CYLINDER HEAD
$79.95
Sold out
#G2002 115S CYLINDER HEADYS Engines and Parts
YS Engines #G2002 115S CYLINDER HEAD
$131.95
Sold out
#G2002A 115S CYLINDER HEAD ASSEMBLYYS Engines and Parts
YS Engines #G2002A 115S CYLINDER HEAD ASSEMBLY
$164.95
Sold out
YS Engines and Parts
YS Engines #G1002S 70FZ-S CYLINDER HEAD ASSEMBLY
$148.45
Sold out
#F2014 140DZ EXHAUST TAPPET ADJUSTING SCREWYS Engines and Parts
YS Engines #F2014 140DZ EXHAUST TAPPET ADJUSTING SCREW
$4.35
Only 5 units left
#F9106 91AC SPRING RETAINER SETYS Engines and Parts
YS Engines #F9106 91AC SPRING RETAINER SET
$8.75
Only 4 units left
#F9208 91AC NEW CYLINDER HEAD GASKETYS Engines and Parts
YS Engines #F9208 91AC NEW CYLINDER HEAD GASKET
$6.55
Sold out
#F9108 91AC HEAD GASKETYS Engines and Parts
YS Engines #F9108 91AC HEAD GASKET
$3.85
In stock, 27 units
#R6103 61LS HEAD SHIM
YS Engines #R6103 61LS HEAD SHIM
$3.25
Only 3 units left
#4410 45FS CYLINDER HEAD GASKETYS Engines and Parts
YS Engines #4410 45FS CYLINDER HEAD GASKET
$3.25
Sold out
#4409 45FS CYLINDER HEADYS Engines and Parts
YS Engines #4409 45FS CYLINDER HEAD
$27.45
Only 1 unit left
#309 45FS CYLINDER HEAD SCREWSYS Engines and Parts
YS Engines #309 45FS CYLINDER HEAD SCREWS
$3.85
In stock, 6 units
#R1003 60SR HEAD GASKETYS Engines and Parts
YS Engines #R1003 60SR HEAD GASKET
$4.35
Sold out
YS Engines and Parts
YS Engines #F1506A 140FZ HEAD ASSEMBLY
$159.45
Sold out
#F1214 120FS TAPPET ADJUSTING LOCK NUTYS Engines and Parts
YS Engines #F1214 120FS TAPPET ADJUSTING LOCK NUT
$4.35
In stock, 13 units
YS Engines and Parts
YS Engines #F1212 120FS ROCKER ARM SET
$43.95
Only 4 units left
TZ240 Plug socket screw
YS Engines TZ240 Plug socket screw
$4.00
Sold out
TZ240 Cylinder O rings
YS Engines TZ240 Cylinder O rings
$6.80
Sold out
TZ240 Cylinder screws
YS Engines TZ240 Cylinder screws
$15.60
Sold out
TZ240 Tappet adjusting nuts
YS Engines TZ240 Tappet adjusting nuts
$9.60
Sold out
TZ240 Tappet adjusting screws
YS Engines TZ240 Tappet adjusting screws
$14.40
Sold out
TZ240 Rocker arm 2 pieces
YS Engines TZ240 Rocker arm 2 pieces
$44.40
Sold out
TZ240 Cylinder head R
YS Engines TZ240 Cylinder head R
$153.20
Sold out
TZ240 Cylinder head R assembly
YS Engines TZ240 Cylinder head R assembly
$213.20
Sold out
TZ240 Cylinder head L
YS Engines TZ240 Cylinder head L
$153.20
Sold out
TZ240 Cylinder head L assembly
YS Engines TZ240 Cylinder head L assembly
$213.20
Sold out
#E4106A YS DZ185 RED HEAD ASSEMBLYYS Engines and Parts
YS Engines #E4106A YS DZ185 RED HEAD ASSEMBLY
$124.95
Only 1 unit left
#S7103 61ST HEAD SHIMYS Engines and Parts
YS Engines #S7103 61ST HEAD SHIM
$3.50
Only 5 units left
YS Engines and Parts
YS Engines #F1406 120SC CYLINDER HEAD
$89.95
Sold out

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